Aircraft stair having a lighting pattern projected onto it



FIG. 1 is a front tridimensional view of the aircraft stair having a lighting pattern projected onto it in accordance with the present design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left or right side elevational view thereof; and,

FIG. 5 is another front tridimensional view thereof. 

CLAIM The ornamental design for an aircraft stair having a lighting pattern projected onto it, as shown and described. 